Solutions by everydaycalculation.com
1st number: 1 4/12, 2nd number: 1 7/21
1612 - 2821 is 01.
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Related: 32/12-28/21 16/12-56/21 16/24-28/21 16/12-28/42 48/12-28/21 16/12-84/21 16/36-28/21 16/12-28/63 80/12-28/21 16/60-28/21 16/84-28/21
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